Save big on gas May 22 at Phoenix-area Circle K stores

Want to save on gas ahead of Memorial Day weekend? Pull up to the pump from 4 to 7 p.m. on Thursday for Circle K Fuel Day.

By Jennifer Goldberg

May 22, 2025

Get a big discount on gas at Circle K locations on Thursday afternoon. Circle K

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It's a good day to fill up your tank.

Thursday, May 22, is Circle K National Fuel Day. Today only, from 4 to 7 p.m. local time, Circle K will offer up to $.40 off per gallon of fuel at Phoenix locations and 5,800 Circle K locations across the U.S.

However if you're a member of Inner Circle, Circle K's rewards program, the window of savings also includes the hours of 7 a.m. to 3 p.m. today. Customers can sign up at any time. The $.40/gal discount will be applied once the phone number associated with the membership is entered at the pump.

In honor of Memorial Day, Circle K will donate 10 percent of the profits from fuel sales during the Fuel Day event to the
Children of Fallen Patriots Foundation, a national nonprofit organization that provides college scholarships and educational counseling to military children who have lost a parent in the line of duty.

The fuel sale will only be available at participating locations. The company's corporate headquarters is in Tempe, so it's no surprise that Arizona is packed with Circle Ks; there are more than 600 in the state.

As of May 22, the average gas price in the U.S. is $3.20 per gallon. Gas in Arizona is a little higher, though: $3.38 per gallon across the state and $3.62 per gallon in Maricopa County, according to AAA data.

You can find the closest Circle K location using the company's store locator.

Jennifer Goldberg is the Senior Editor of Culture at Phoenix New Times. She joined the New Times staff in February 2016. In her role, Jennifer writes and publishes profiles of both local and regional musicians, previews upcoming performances and provides guides on the best of Phoenix’s entertainment scene. She also oversees the Best of Phoenix. Jennifer previously worked for Jewish News of Greater Phoenix. During her career, Jennifer has received awards from the Arizona Press Club, the Arizona Newspaper Association and the American Jewish Press Association. She holds a bachelor’s of arts in English from Arizona State University.

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